PDF malware analysis — malicious · c07601c3233e0beb

MALICIOUS

PDF

80.6 KB Created: 2021-09-09 00:27:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-16

MD5: f02b81d27883bdd14644a0717bf15996 SHA-1: 069deb4b20dd9f6831f9bd429b37610ee87121e7 SHA-256: c07601c3233e0beb25febcfcc57c9c7a618fdf272c585bdfd1db6216823129c5

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous links, many pointing to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. The presence of ClamAV and ML heuristics flagging it as malicious, along with the PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM rules, strongly suggests a phishing or malware distribution attempt. While no scripts were explicitly extracted, the nature of the links implies a potential for further malicious content delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9975

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://bhartiyambeohari.in/userfiles/file/venivubatazenixekiruv.pdf In PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161340e12b969b---sisupexi.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613849f6992a4---menanubujuzegixo.pdfIn PDF document text
- http://denprokhorov.ru/images/file/39121013686.pdfIn PDF document text
- http://theexplorerthai.com/userfiles/files/buvezurixegebutuvusuk.pdfIn PDF document text
- https://likeevent.it/writable/public/userfiles/file/32623031228.pdfIn PDF document text
- http://inphilong.com/upload/files/93226191467.pdfIn PDF document text
- https://ewdel.cz/ckfinder/userfiles/files/99982433576.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/0fdd9cc395efd45522cccf9128b257a0/66291399868.pdfIn PDF document text
- https://kaktutzhit.by/uploads/files/8479807333.pdfIn PDF document text
- https://rheinfurth.de/userfiles/file/xebojinudumemudosula.pdfIn PDF document text
- https://theurbanthinktank.com/files/20091146338.pdfIn PDF document text
- https://www.playitdirect.ca/ckfinder/uploadfiles/files/90011304351.pdfIn PDF document text
- https://digitaldaya.com/imagenes/file/26588450388.pdfIn PDF document text
- http://autoscuolauniversale.it/userfiles/files/jojuluzojaxijesepeb.pdfIn PDF document text
- http://sdds.be/userfiles/file/dojatenabekuwanedize.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/pusibi.pdfIn PDF document text
- http://rasmesafar.net/basefile/basefiles/5795322833.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff2987350c---bozedufaxaxegad.pdfIn PDF document text
- https://veaodaibrahma.com/uploads/image/files/42286949051.pdfIn PDF document text
- https://atasuorganiktarim.com/upload/ckfinder/files/51020362195.pdfIn PDF document text
- https://mimpi1pusat.com/contents/files/56439456978.pdfIn PDF document text
- http://studiomuraca.eu/userfiles/files/8170050905.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/b4586614e5c2a7db872a0e21e9435e05/topiduvozo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=funny+game+apk+downloadPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d43a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD43A	18656 bytes
SHA-256: `c6a5a6d327f299d5d29c157de83de2d05555b0d3c083400176ad5bb1c62b75f5`
`font_01_sfnt_off00010455.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10455	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00011c6c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11C6C	10648 bytes
SHA-256: `0006b5a52a9abc18b3701ebb0fb1464dc49d148184fe31d8e03bd675ae6b5192`

Open this report in the interactive analyzer, or submit your own file for analysis.